Who said "Mercy is for those too weak to act."?

This quote is attributed to Kylo Ren.

Mercy is for those too weak to act. - Kylo Ren

"Mercy is for those too weak to act."

Kylo Ren Strength

"I feel it again... the pull to the light."

"Supreme Leader Snoke believes you are the future, but you continue to fail."

"Forgive me. I feel it again, the pull to the light."

"Show me again. The power of the darkness."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."